GkjcokTnase' Phosphoglucomutase Phosphorylase 



- GliiC05e-6-PO,K©) . ^ Glucose-l-PO,:^===^ Glycogen iCarbohydrate 



Phosphohexojsomerase 



i^04 



Fructose - 6 -PO4 (^(p)) 



Phosphohexokinase 

 ATP-*- ADR 



Fructose - 1. 6 - diPO^j (-© -(J 

 Aldolase 



2 mols. 3-phosphoglyceraldehyde (--(?)■< 

 Dehydrogenase 



/- — H^P04 

 1, 3-Diphosphoglyceric acid (— ©) 



Alcohol dehydrogenase 

 Alcohol ^ Acetaldehydi 



Transphosphorylase 

 ADP-^ATP 



3-Phosphoglyceric acid 



Phosphoglyceromutase 



2-Phosphoglyceric acid 

 \. Enolase 



Enol phosphopyruvic acid (-^©) 



Transphosphorylase 

 ADP^- ATP 



Muscle 



dehydrogenase 



acid ~ "^ Lc 



Acetyl -^coenzyme A 



Carboxylase 



Cocarboxylase 



Acetylkinase 



Coenzyme A 

 ATP-»-ADP 



Fatty acid cycle 



KEY: 



Enzymes 



Coenzymes 

 High-energy bonds 

 or compounds 

 Low-energy compound? 

 Atoms 



Kind of process 

 Organic molecules 



Fig. 2.9. Schema of cellular metabolism. The 

 enzyme, coenzyme, and other necessary factors arc 

 known for each step in the sequence, but only a few 

 of them are shown in this simplified presentation. 



